<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/base.css">
    <link rel="stylesheet" href="css/01-index.css">

</head>
<body>
<!--顶部-->
<div class="header"></div>
<!--广告-->
<div class="banner"></div>
<!--内容-->
<div class="content"></div>
<!--底部-->
<div class="footer"></div>

</body>
</html>